21892560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4801}}^1$

素因数の和:4836

約数の個数: 80

約数和(自身を含む): 71453760

約数和(自身を除く): 49561200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4801, 9602, 14403, 19204, 24005, 28806, 38408, 48010, 57612, 72015, 76816, 91219, 96020, 115224, 144030, 182438, 192040, 230448, 273657, 288060, 364876, 384080, 456095, 547314, 576120, 729752, 912190, 1094628, 1152240, 1368285, 1459504, 1824380, 2189256, 2736570, 3648760, 4378512, 5473140, 7297520, 10946280, 21892560]

約数ペア:

[(1, 21892560), (2, 10946280), (3, 7297520), (4, 5473140), (5, 4378512), (6, 3648760), (8, 2736570), (10, 2189256), (12, 1824380), (15, 1459504), (16, 1368285), (19, 1152240), (20, 1094628), (24, 912190), (30, 729752), (38, 576120), (40, 547314), (48, 456095), (57, 384080), (60, 364876), (76, 288060), (80, 273657), (95, 230448), (114, 192040), (120, 182438), (152, 144030), (190, 115224), (228, 96020), (240, 91219), (285, 76816), (304, 72015), (380, 57612), (456, 48010), (570, 38408), (760, 28806), (912, 24005), (1140, 19204), (1520, 14403), (2280, 9602), (4560, 4801)]