21542430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{607}}^1$

素因数の和:650

約数の個数: 96

約数和(自身を含む): 64088064

約数和(自身を除く): 42545634

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 169, 182, 195, 210, 273, 338, 390, 455, 507, 546, 607, 845, 910, 1014, 1183, 1214, 1365, 1690, 1821, 2366, 2535, 2730, 3035, 3549, 3642, 4249, 5070, 5915, 6070, 7098, 7891, 8498, 9105, 11830, 12747, 15782, 17745, 18210, 21245, 23673, 25494, 35490, 39455, 42490, 47346, 55237, 63735, 78910, 102583, 110474, 118365, 127470, 165711, 205166, 236730, 276185, 307749, 331422, 512915, 552370, 615498, 718081, 828555, 1025830, 1436162, 1538745, 1657110, 2154243, 3077490, 3590405, 4308486, 7180810, 10771215, 21542430]

約数ペア:

[(1, 21542430), (2, 10771215), (3, 7180810), (5, 4308486), (6, 3590405), (7, 3077490), (10, 2154243), (13, 1657110), (14, 1538745), (15, 1436162), (21, 1025830), (26, 828555), (30, 718081), (35, 615498), (39, 552370), (42, 512915), (65, 331422), (70, 307749), (78, 276185), (91, 236730), (105, 205166), (130, 165711), (169, 127470), (182, 118365), (195, 110474), (210, 102583), (273, 78910), (338, 63735), (390, 55237), (455, 47346), (507, 42490), (546, 39455), (607, 35490), (845, 25494), (910, 23673), (1014, 21245), (1183, 18210), (1214, 17745), (1365, 15782), (1690, 12747), (1821, 11830), (2366, 9105), (2535, 8498), (2730, 7891), (3035, 7098), (3549, 6070), (3642, 5915), (4249, 5070)]