21203040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 67447296

約数和(自身を除く): 46244256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 163, 240, 271, 326, 480, 489, 542, 652, 813, 815, 978, 1084, 1304, 1355, 1626, 1630, 1956, 2168, 2445, 2608, 2710, 3252, 3260, 3912, 4065, 4336, 4890, 5216, 5420, 6504, 6520, 7824, 8130, 8672, 9780, 10840, 13008, 13040, 15648, 16260, 19560, 21680, 26016, 26080, 32520, 39120, 43360, 44173, 65040, 78240, 88346, 130080, 132519, 176692, 220865, 265038, 353384, 441730, 530076, 662595, 706768, 883460, 1060152, 1325190, 1413536, 1766920, 2120304, 2650380, 3533840, 4240608, 5300760, 7067680, 10601520, 21203040]

約数ペア:

[(1, 21203040), (2, 10601520), (3, 7067680), (4, 5300760), (5, 4240608), (6, 3533840), (8, 2650380), (10, 2120304), (12, 1766920), (15, 1413536), (16, 1325190), (20, 1060152), (24, 883460), (30, 706768), (32, 662595), (40, 530076), (48, 441730), (60, 353384), (80, 265038), (96, 220865), (120, 176692), (160, 132519), (163, 130080), (240, 88346), (271, 78240), (326, 65040), (480, 44173), (489, 43360), (542, 39120), (652, 32520), (813, 26080), (815, 26016), (978, 21680), (1084, 19560), (1304, 16260), (1355, 15648), (1626, 13040), (1630, 13008), (1956, 10840), (2168, 9780), (2445, 8672), (2608, 8130), (2710, 7824), (3252, 6520), (3260, 6504), (3912, 5420), (4065, 5216), (4336, 4890)]