21714420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 77446656

約数和(自身を除く): 55732236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 41, 42, 52, 60, 65, 70, 78, 82, 84, 91, 97, 105, 123, 130, 140, 156, 164, 182, 194, 195, 205, 210, 246, 260, 273, 287, 291, 364, 388, 390, 410, 420, 455, 485, 492, 533, 546, 574, 582, 615, 679, 780, 820, 861, 910, 970, 1066, 1092, 1148, 1164, 1230, 1261, 1358, 1365, 1435, 1455, 1599, 1722, 1820, 1940, 2037, 2132, 2460, 2522, 2665, 2716, 2730, 2870, 2910, 3198, 3395, 3444, 3731, 3783, 3977, 4074, 4305, 5044, 5330, 5460, 5740, 5820, 6305, 6396, 6790, 7462, 7566, 7954, 7995, 8148, 8610, 8827, 10185, 10660, 11193, 11931, 12610, 13580, 14924, 15132, 15908, 15990, 17220, 17654, 18655, 18915, 19885, 20370, 22386, 23862, 25220, 26481, 27839, 31980, 35308, 37310, 37830, 39770, 40740, 44135, 44772, 47724, 51701, 52962, 55678, 55965, 59655, 74620, 75660, 79540, 83517, 88270, 103402, 105924, 111356, 111930, 119310, 132405, 139195, 155103, 167034, 176540, 206804, 223860, 238620, 258505, 264810, 278390, 310206, 334068, 361907, 417585, 517010, 529620, 556780, 620412, 723814, 775515, 835170, 1034020, 1085721, 1447628, 1551030, 1670340, 1809535, 2171442, 3102060, 3619070, 4342884, 5428605, 7238140, 10857210, 21714420]

約数ペア:

[(1, 21714420), (2, 10857210), (3, 7238140), (4, 5428605), (5, 4342884), (6, 3619070), (7, 3102060), (10, 2171442), (12, 1809535), (13, 1670340), (14, 1551030), (15, 1447628), (20, 1085721), (21, 1034020), (26, 835170), (28, 775515), (30, 723814), (35, 620412), (39, 556780), (41, 529620), (42, 517010), (52, 417585), (60, 361907), (65, 334068), (70, 310206), (78, 278390), (82, 264810), (84, 258505), (91, 238620), (97, 223860), (105, 206804), (123, 176540), (130, 167034), (140, 155103), (156, 139195), (164, 132405), (182, 119310), (194, 111930), (195, 111356), (205, 105924), (210, 103402), (246, 88270), (260, 83517), (273, 79540), (287, 75660), (291, 74620), (364, 59655), (388, 55965), (390, 55678), (410, 52962), (420, 51701), (455, 47724), (485, 44772), (492, 44135), (533, 40740), (546, 39770), (574, 37830), (582, 37310), (615, 35308), (679, 31980), (780, 27839), (820, 26481), (861, 25220), (910, 23862), (970, 22386), (1066, 20370), (1092, 19885), (1148, 18915), (1164, 18655), (1230, 17654), (1261, 17220), (1358, 15990), (1365, 15908), (1435, 15132), (1455, 14924), (1599, 13580), (1722, 12610), (1820, 11931), (1940, 11193), (2037, 10660), (2132, 10185), (2460, 8827), (2522, 8610), (2665, 8148), (2716, 7995), (2730, 7954), (2870, 7566), (2910, 7462), (3198, 6790), (3395, 6396), (3444, 6305), (3731, 5820), (3783, 5740), (3977, 5460), (4074, 5330), (4305, 5044)]