21483680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 33674080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 185, 190, 191, 296, 304, 370, 380, 382, 592, 608, 703, 740, 760, 764, 955, 1184, 1406, 1480, 1520, 1528, 1910, 2812, 2960, 3040, 3056, 3515, 3629, 3820, 5624, 5920, 6112, 7030, 7067, 7258, 7640, 11248, 14060, 14134, 14516, 15280, 18145, 22496, 28120, 28268, 29032, 30560, 35335, 36290, 56240, 56536, 58064, 70670, 72580, 112480, 113072, 116128, 134273, 141340, 145160, 226144, 268546, 282680, 290320, 537092, 565360, 580640, 671365, 1074184, 1130720, 1342730, 2148368, 2685460, 4296736, 5370920, 10741840, 21483680]

約数ペア:

[(1, 21483680), (2, 10741840), (4, 5370920), (5, 4296736), (8, 2685460), (10, 2148368), (16, 1342730), (19, 1130720), (20, 1074184), (32, 671365), (37, 580640), (38, 565360), (40, 537092), (74, 290320), (76, 282680), (80, 268546), (95, 226144), (148, 145160), (152, 141340), (160, 134273), (185, 116128), (190, 113072), (191, 112480), (296, 72580), (304, 70670), (370, 58064), (380, 56536), (382, 56240), (592, 36290), (608, 35335), (703, 30560), (740, 29032), (760, 28268), (764, 28120), (955, 22496), (1184, 18145), (1406, 15280), (1480, 14516), (1520, 14134), (1528, 14060), (1910, 11248), (2812, 7640), (2960, 7258), (3040, 7067), (3056, 7030), (3515, 6112), (3629, 5920), (3820, 5624)]