21202320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 69120576

約数和(自身を除く): 47918256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 167, 184, 230, 240, 276, 334, 345, 368, 460, 501, 529, 552, 668, 690, 835, 920, 1002, 1058, 1104, 1336, 1380, 1587, 1670, 1840, 2004, 2116, 2505, 2645, 2672, 2760, 3174, 3340, 3841, 4008, 4232, 5010, 5290, 5520, 6348, 6680, 7682, 7935, 8016, 8464, 10020, 10580, 11523, 12696, 13360, 15364, 15870, 19205, 20040, 21160, 23046, 25392, 30728, 31740, 38410, 40080, 42320, 46092, 57615, 61456, 63480, 76820, 88343, 92184, 115230, 126960, 153640, 176686, 184368, 230460, 265029, 307280, 353372, 441715, 460920, 530058, 706744, 883430, 921840, 1060116, 1325145, 1413488, 1766860, 2120232, 2650290, 3533720, 4240464, 5300580, 7067440, 10601160, 21202320]

約数ペア:

[(1, 21202320), (2, 10601160), (3, 7067440), (4, 5300580), (5, 4240464), (6, 3533720), (8, 2650290), (10, 2120232), (12, 1766860), (15, 1413488), (16, 1325145), (20, 1060116), (23, 921840), (24, 883430), (30, 706744), (40, 530058), (46, 460920), (48, 441715), (60, 353372), (69, 307280), (80, 265029), (92, 230460), (115, 184368), (120, 176686), (138, 153640), (167, 126960), (184, 115230), (230, 92184), (240, 88343), (276, 76820), (334, 63480), (345, 61456), (368, 57615), (460, 46092), (501, 42320), (529, 40080), (552, 38410), (668, 31740), (690, 30728), (835, 25392), (920, 23046), (1002, 21160), (1058, 20040), (1104, 19205), (1336, 15870), (1380, 15364), (1587, 13360), (1670, 12696), (1840, 11523), (2004, 10580), (2116, 10020), (2505, 8464), (2645, 8016), (2672, 7935), (2760, 7682), (3174, 6680), (3340, 6348), (3841, 5520), (4008, 5290), (4232, 5010)]