21678240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2377}}^1$

素因数の和:2414

約数の個数: 96

約数和(自身を含む): 71910720

約数和(自身を除く): 50232480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2377, 3040, 4560, 4754, 7131, 9120, 9508, 11885, 14262, 19016, 23770, 28524, 35655, 38032, 45163, 47540, 57048, 71310, 76064, 90326, 95080, 114096, 135489, 142620, 180652, 190160, 225815, 228192, 270978, 285240, 361304, 380320, 451630, 541956, 570480, 677445, 722608, 903260, 1083912, 1140960, 1354890, 1445216, 1806520, 2167824, 2709780, 3613040, 4335648, 5419560, 7226080, 10839120, 21678240]

約数ペア:

[(1, 21678240), (2, 10839120), (3, 7226080), (4, 5419560), (5, 4335648), (6, 3613040), (8, 2709780), (10, 2167824), (12, 1806520), (15, 1445216), (16, 1354890), (19, 1140960), (20, 1083912), (24, 903260), (30, 722608), (32, 677445), (38, 570480), (40, 541956), (48, 451630), (57, 380320), (60, 361304), (76, 285240), (80, 270978), (95, 228192), (96, 225815), (114, 190160), (120, 180652), (152, 142620), (160, 135489), (190, 114096), (228, 95080), (240, 90326), (285, 76064), (304, 71310), (380, 57048), (456, 47540), (480, 45163), (570, 38032), (608, 35655), (760, 28524), (912, 23770), (1140, 19016), (1520, 14262), (1824, 11885), (2280, 9508), (2377, 9120), (3040, 7131), (4560, 4754)]