21296880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2689}}^1$

素因数の和:2719

約数の個数: 120

約数和(自身を含む): 78053040

約数和(自身を除く): 56756160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 2689, 3960, 5378, 7920, 8067, 10756, 13445, 16134, 21512, 24201, 26890, 29579, 32268, 40335, 43024, 48402, 53780, 59158, 64536, 80670, 88737, 96804, 107560, 118316, 121005, 129072, 147895, 161340, 177474, 193608, 215120, 236632, 242010, 266211, 295790, 322680, 354948, 387216, 443685, 473264, 484020, 532422, 591580, 645360, 709896, 887370, 968040, 1064844, 1183160, 1331055, 1419792, 1774740, 1936080, 2129688, 2366320, 2662110, 3549480, 4259376, 5324220, 7098960, 10648440, 21296880]

約数ペア:

[(1, 21296880), (2, 10648440), (3, 7098960), (4, 5324220), (5, 4259376), (6, 3549480), (8, 2662110), (9, 2366320), (10, 2129688), (11, 1936080), (12, 1774740), (15, 1419792), (16, 1331055), (18, 1183160), (20, 1064844), (22, 968040), (24, 887370), (30, 709896), (33, 645360), (36, 591580), (40, 532422), (44, 484020), (45, 473264), (48, 443685), (55, 387216), (60, 354948), (66, 322680), (72, 295790), (80, 266211), (88, 242010), (90, 236632), (99, 215120), (110, 193608), (120, 177474), (132, 161340), (144, 147895), (165, 129072), (176, 121005), (180, 118316), (198, 107560), (220, 96804), (240, 88737), (264, 80670), (330, 64536), (360, 59158), (396, 53780), (440, 48402), (495, 43024), (528, 40335), (660, 32268), (720, 29579), (792, 26890), (880, 24201), (990, 21512), (1320, 16134), (1584, 13445), (1980, 10756), (2640, 8067), (2689, 7920), (3960, 5378)]