21908520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3239

約数の個数: 96

約数和(自身を含む): 74973600

約数和(自身を除く): 53065080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3203, 3420, 6406, 6840, 9609, 12812, 16015, 19218, 25624, 28827, 32030, 38436, 48045, 57654, 60857, 64060, 76872, 96090, 115308, 121714, 128120, 144135, 182571, 192180, 230616, 243428, 288270, 304285, 365142, 384360, 486856, 547713, 576540, 608570, 730284, 912855, 1095426, 1153080, 1217140, 1460568, 1825710, 2190852, 2434280, 2738565, 3651420, 4381704, 5477130, 7302840, 10954260, 21908520]

約数ペア:

[(1, 21908520), (2, 10954260), (3, 7302840), (4, 5477130), (5, 4381704), (6, 3651420), (8, 2738565), (9, 2434280), (10, 2190852), (12, 1825710), (15, 1460568), (18, 1217140), (19, 1153080), (20, 1095426), (24, 912855), (30, 730284), (36, 608570), (38, 576540), (40, 547713), (45, 486856), (57, 384360), (60, 365142), (72, 304285), (76, 288270), (90, 243428), (95, 230616), (114, 192180), (120, 182571), (152, 144135), (171, 128120), (180, 121714), (190, 115308), (228, 96090), (285, 76872), (342, 64060), (360, 60857), (380, 57654), (456, 48045), (570, 38436), (684, 32030), (760, 28827), (855, 25624), (1140, 19218), (1368, 16015), (1710, 12812), (2280, 9609), (3203, 6840), (3420, 6406)]