21554838

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 48340656

約数和(自身を除く): 26785818

約数列:

[1, 2, 3, 6, 9, 18, 61, 67, 122, 134, 183, 201, 293, 366, 402, 549, 586, 603, 879, 1098, 1206, 1758, 2637, 4087, 5274, 8174, 12261, 17873, 19631, 24522, 35746, 36783, 39262, 53619, 58893, 73566, 107238, 117786, 160857, 176679, 321714, 353358, 1197491, 2394982, 3592473, 7184946, 10777419, 21554838]

約数ペア:

[(1, 21554838), (2, 10777419), (3, 7184946), (6, 3592473), (9, 2394982), (18, 1197491), (61, 353358), (67, 321714), (122, 176679), (134, 160857), (183, 117786), (201, 107238), (293, 73566), (366, 58893), (402, 53619), (549, 39262), (586, 36783), (603, 35746), (879, 24522), (1098, 19631), (1206, 17873), (1758, 12261), (2637, 8174), (4087, 5274)]