21221640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 78848640

約数和(自身を除く): 57627000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 220, 230, 233, 253, 264, 276, 330, 345, 360, 396, 414, 440, 460, 466, 495, 506, 552, 660, 690, 699, 759, 792, 828, 920, 932, 990, 1012, 1035, 1165, 1265, 1320, 1380, 1398, 1518, 1656, 1864, 1980, 2024, 2070, 2097, 2277, 2330, 2530, 2563, 2760, 2796, 3036, 3495, 3795, 3960, 4140, 4194, 4554, 4660, 5060, 5126, 5359, 5592, 6072, 6990, 7590, 7689, 8280, 8388, 9108, 9320, 10120, 10252, 10485, 10718, 11385, 12815, 13980, 15180, 15378, 16077, 16776, 18216, 20504, 20970, 21436, 22770, 23067, 25630, 26795, 27960, 30360, 30756, 32154, 38445, 41940, 42872, 45540, 46134, 48231, 51260, 53590, 58949, 61512, 64308, 76890, 80385, 83880, 91080, 92268, 96462, 102520, 107180, 115335, 117898, 128616, 153780, 160770, 176847, 184536, 192924, 214360, 230670, 235796, 241155, 294745, 307560, 321540, 353694, 385848, 461340, 471592, 482310, 530541, 589490, 643080, 707388, 884235, 922680, 964620, 1061082, 1178980, 1414776, 1768470, 1929240, 2122164, 2357960, 2652705, 3536940, 4244328, 5305410, 7073880, 10610820, 21221640]

約数ペア:

[(1, 21221640), (2, 10610820), (3, 7073880), (4, 5305410), (5, 4244328), (6, 3536940), (8, 2652705), (9, 2357960), (10, 2122164), (11, 1929240), (12, 1768470), (15, 1414776), (18, 1178980), (20, 1061082), (22, 964620), (23, 922680), (24, 884235), (30, 707388), (33, 643080), (36, 589490), (40, 530541), (44, 482310), (45, 471592), (46, 461340), (55, 385848), (60, 353694), (66, 321540), (69, 307560), (72, 294745), (88, 241155), (90, 235796), (92, 230670), (99, 214360), (110, 192924), (115, 184536), (120, 176847), (132, 160770), (138, 153780), (165, 128616), (180, 117898), (184, 115335), (198, 107180), (207, 102520), (220, 96462), (230, 92268), (233, 91080), (253, 83880), (264, 80385), (276, 76890), (330, 64308), (345, 61512), (360, 58949), (396, 53590), (414, 51260), (440, 48231), (460, 46134), (466, 45540), (495, 42872), (506, 41940), (552, 38445), (660, 32154), (690, 30756), (699, 30360), (759, 27960), (792, 26795), (828, 25630), (920, 23067), (932, 22770), (990, 21436), (1012, 20970), (1035, 20504), (1165, 18216), (1265, 16776), (1320, 16077), (1380, 15378), (1398, 15180), (1518, 13980), (1656, 12815), (1864, 11385), (1980, 10718), (2024, 10485), (2070, 10252), (2097, 10120), (2277, 9320), (2330, 9108), (2530, 8388), (2563, 8280), (2760, 7689), (2796, 7590), (3036, 6990), (3495, 6072), (3795, 5592), (3960, 5359), (4140, 5126), (4194, 5060), (4554, 4660)]