21503700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23893}}^1$

素因数の和:23913

約数の個数: 54

約数和(自身を含む): 67404974

約数和(自身を除く): 45901274

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23893, 47786, 71679, 95572, 119465, 143358, 215037, 238930, 286716, 358395, 430074, 477860, 597325, 716790, 860148, 1075185, 1194650, 1433580, 1791975, 2150370, 2389300, 3583950, 4300740, 5375925, 7167900, 10751850, 21503700]

約数ペア:

[(1, 21503700), (2, 10751850), (3, 7167900), (4, 5375925), (5, 4300740), (6, 3583950), (9, 2389300), (10, 2150370), (12, 1791975), (15, 1433580), (18, 1194650), (20, 1075185), (25, 860148), (30, 716790), (36, 597325), (45, 477860), (50, 430074), (60, 358395), (75, 286716), (90, 238930), (100, 215037), (150, 143358), (180, 119465), (225, 95572), (300, 71679), (450, 47786), (900, 23893)]