21983640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{26171}}^1$

素因数の和:26192

約数の個数: 64

約数和(自身を含む): 75375360

約数和(自身を除く): 53391720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 26171, 52342, 78513, 104684, 130855, 157026, 183197, 209368, 261710, 314052, 366394, 392565, 523420, 549591, 628104, 732788, 785130, 915985, 1046840, 1099182, 1465576, 1570260, 1831970, 2198364, 2747955, 3140520, 3663940, 4396728, 5495910, 7327880, 10991820, 21983640]

約数ペア:

[(1, 21983640), (2, 10991820), (3, 7327880), (4, 5495910), (5, 4396728), (6, 3663940), (7, 3140520), (8, 2747955), (10, 2198364), (12, 1831970), (14, 1570260), (15, 1465576), (20, 1099182), (21, 1046840), (24, 915985), (28, 785130), (30, 732788), (35, 628104), (40, 549591), (42, 523420), (56, 392565), (60, 366394), (70, 314052), (84, 261710), (105, 209368), (120, 183197), (140, 157026), (168, 130855), (210, 104684), (280, 78513), (420, 52342), (840, 26171)]