21268668800

素因数分解:

$2^7\times 5^2\times {\mathrm{601}}^1\times {\mathrm{11059}}^1$

素因数の和:11684

約数の個数: 96

約数和(自身を含む): 52632438600

約数和(自身を除く): 31363769800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 601, 640, 800, 1202, 1600, 2404, 3005, 3200, 4808, 6010, 9616, 11059, 12020, 15025, 19232, 22118, 24040, 30050, 38464, 44236, 48080, 55295, 60100, 76928, 88472, 96160, 110590, 120200, 176944, 192320, 221180, 240400, 276475, 353888, 384640, 442360, 480800, 552950, 707776, 884720, 961600, 1105900, 1415552, 1769440, 1923200, 2211800, 3538880, 4423600, 6646459, 7077760, 8847200, 13292918, 17694400, 26585836, 33232295, 35388800, 53171672, 66464590, 106343344, 132929180, 166161475, 212686688, 265858360, 332322950, 425373376, 531716720, 664645900, 850746752, 1063433440, 1329291800, 2126866880, 2658583600, 4253733760, 5317167200, 10634334400, 21268668800]

約数ペア:

[(1, 21268668800), (2, 10634334400), (4, 5317167200), (5, 4253733760), (8, 2658583600), (10, 2126866880), (16, 1329291800), (20, 1063433440), (25, 850746752), (32, 664645900), (40, 531716720), (50, 425373376), (64, 332322950), (80, 265858360), (100, 212686688), (128, 166161475), (160, 132929180), (200, 106343344), (320, 66464590), (400, 53171672), (601, 35388800), (640, 33232295), (800, 26585836), (1202, 17694400), (1600, 13292918), (2404, 8847200), (3005, 7077760), (3200, 6646459), (4808, 4423600), (6010, 3538880), (9616, 2211800), (11059, 1923200), (12020, 1769440), (15025, 1415552), (19232, 1105900), (22118, 961600), (24040, 884720), (30050, 707776), (38464, 552950), (44236, 480800), (48080, 442360), (55295, 384640), (60100, 353888), (76928, 276475), (88472, 240400), (96160, 221180), (110590, 192320), (120200, 176944)]