21419004

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2602

約数の個数: 48

約数和(自身を含む): 54051200

約数和(自身を除く): 32632196

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2539, 2812, 4218, 5078, 7617, 8436, 10156, 15234, 30468, 48241, 93943, 96482, 144723, 187886, 192964, 281829, 289446, 375772, 563658, 578892, 1127316, 1784917, 3569834, 5354751, 7139668, 10709502, 21419004]

約数ペア:

[(1, 21419004), (2, 10709502), (3, 7139668), (4, 5354751), (6, 3569834), (12, 1784917), (19, 1127316), (37, 578892), (38, 563658), (57, 375772), (74, 289446), (76, 281829), (111, 192964), (114, 187886), (148, 144723), (222, 96482), (228, 93943), (444, 48241), (703, 30468), (1406, 15234), (2109, 10156), (2539, 8436), (2812, 7617), (4218, 5078)]