21524100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5519}}^1$

素因数の和:5549

約数の個数: 72

約数和(自身を含む): 67079040

約数和(自身を除く): 45554940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5519, 11038, 16557, 22076, 27595, 33114, 55190, 66228, 71747, 82785, 110380, 137975, 143494, 165570, 215241, 275950, 286988, 331140, 358735, 413925, 430482, 551900, 717470, 827850, 860964, 1076205, 1434940, 1655700, 1793675, 2152410, 3587350, 4304820, 5381025, 7174700, 10762050, 21524100]

約数ペア:

[(1, 21524100), (2, 10762050), (3, 7174700), (4, 5381025), (5, 4304820), (6, 3587350), (10, 2152410), (12, 1793675), (13, 1655700), (15, 1434940), (20, 1076205), (25, 860964), (26, 827850), (30, 717470), (39, 551900), (50, 430482), (52, 413925), (60, 358735), (65, 331140), (75, 286988), (78, 275950), (100, 215241), (130, 165570), (150, 143494), (156, 137975), (195, 110380), (260, 82785), (300, 71747), (325, 66228), (390, 55190), (650, 33114), (780, 27595), (975, 22076), (1300, 16557), (1950, 11038), (3900, 5519)]