21224840

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:69

約数の個数: 160

約数和(自身を含む): 63526680

約数和(自身を除く): 42301840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 85, 91, 98, 104, 119, 130, 136, 140, 170, 182, 196, 221, 238, 245, 260, 280, 340, 343, 364, 392, 442, 455, 476, 490, 520, 595, 637, 680, 686, 728, 833, 884, 910, 952, 980, 1105, 1190, 1274, 1372, 1547, 1666, 1715, 1768, 1820, 1960, 2210, 2380, 2401, 2548, 2744, 3094, 3185, 3332, 3430, 3640, 4165, 4420, 4459, 4760, 4802, 5096, 5831, 6188, 6370, 6664, 6860, 7735, 8330, 8840, 8918, 9604, 10829, 11662, 12005, 12376, 12740, 13720, 15470, 16660, 17836, 19208, 21658, 22295, 23324, 24010, 25480, 29155, 30940, 31213, 33320, 35672, 40817, 43316, 44590, 46648, 48020, 54145, 58310, 61880, 62426, 75803, 81634, 86632, 89180, 96040, 108290, 116620, 124852, 151606, 156065, 163268, 178360, 204085, 216580, 233240, 249704, 303212, 312130, 326536, 379015, 408170, 433160, 530621, 606424, 624260, 758030, 816340, 1061242, 1248520, 1516060, 1632680, 2122484, 2653105, 3032120, 4244968, 5306210, 10612420, 21224840]

約数ペア:

[(1, 21224840), (2, 10612420), (4, 5306210), (5, 4244968), (7, 3032120), (8, 2653105), (10, 2122484), (13, 1632680), (14, 1516060), (17, 1248520), (20, 1061242), (26, 816340), (28, 758030), (34, 624260), (35, 606424), (40, 530621), (49, 433160), (52, 408170), (56, 379015), (65, 326536), (68, 312130), (70, 303212), (85, 249704), (91, 233240), (98, 216580), (104, 204085), (119, 178360), (130, 163268), (136, 156065), (140, 151606), (170, 124852), (182, 116620), (196, 108290), (221, 96040), (238, 89180), (245, 86632), (260, 81634), (280, 75803), (340, 62426), (343, 61880), (364, 58310), (392, 54145), (442, 48020), (455, 46648), (476, 44590), (490, 43316), (520, 40817), (595, 35672), (637, 33320), (680, 31213), (686, 30940), (728, 29155), (833, 25480), (884, 24010), (910, 23324), (952, 22295), (980, 21658), (1105, 19208), (1190, 17836), (1274, 16660), (1372, 15470), (1547, 13720), (1666, 12740), (1715, 12376), (1768, 12005), (1820, 11662), (1960, 10829), (2210, 9604), (2380, 8918), (2401, 8840), (2548, 8330), (2744, 7735), (3094, 6860), (3185, 6664), (3332, 6370), (3430, 6188), (3640, 5831), (4165, 5096), (4420, 4802), (4459, 4760)]