21312480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6343}}^1$

素因数の和:6368

約数の個数: 96

約数和(自身を含む): 76737024

約数和(自身を除く): 55424544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6343, 12686, 19029, 25372, 31715, 38058, 44401, 50744, 63430, 76116, 88802, 95145, 101488, 126860, 133203, 152232, 177604, 190290, 202976, 222005, 253720, 266406, 304464, 355208, 380580, 444010, 507440, 532812, 608928, 666015, 710416, 761160, 888020, 1014880, 1065624, 1332030, 1420832, 1522320, 1776040, 2131248, 2664060, 3044640, 3552080, 4262496, 5328120, 7104160, 10656240, 21312480]

約数ペア:

[(1, 21312480), (2, 10656240), (3, 7104160), (4, 5328120), (5, 4262496), (6, 3552080), (7, 3044640), (8, 2664060), (10, 2131248), (12, 1776040), (14, 1522320), (15, 1420832), (16, 1332030), (20, 1065624), (21, 1014880), (24, 888020), (28, 761160), (30, 710416), (32, 666015), (35, 608928), (40, 532812), (42, 507440), (48, 444010), (56, 380580), (60, 355208), (70, 304464), (80, 266406), (84, 253720), (96, 222005), (105, 202976), (112, 190290), (120, 177604), (140, 152232), (160, 133203), (168, 126860), (210, 101488), (224, 95145), (240, 88802), (280, 76116), (336, 63430), (420, 50744), (480, 44401), (560, 38058), (672, 31715), (840, 25372), (1120, 19029), (1680, 12686), (3360, 6343)]