21012300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:688

約数の個数: 108

約数和(自身を含む): 67749136

約数和(自身を除く): 46736836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 37, 45, 50, 60, 74, 75, 90, 100, 111, 148, 150, 180, 185, 222, 225, 300, 333, 370, 444, 450, 555, 631, 666, 740, 900, 925, 1110, 1262, 1332, 1665, 1850, 1893, 2220, 2524, 2775, 3155, 3330, 3700, 3786, 5550, 5679, 6310, 6660, 7572, 8325, 9465, 11100, 11358, 12620, 15775, 16650, 18930, 22716, 23347, 28395, 31550, 33300, 37860, 46694, 47325, 56790, 63100, 70041, 93388, 94650, 113580, 116735, 140082, 141975, 189300, 210123, 233470, 280164, 283950, 350205, 420246, 466940, 567900, 583675, 700410, 840492, 1050615, 1167350, 1400820, 1751025, 2101230, 2334700, 3502050, 4202460, 5253075, 7004100, 10506150, 21012300]

約数ペア:

[(1, 21012300), (2, 10506150), (3, 7004100), (4, 5253075), (5, 4202460), (6, 3502050), (9, 2334700), (10, 2101230), (12, 1751025), (15, 1400820), (18, 1167350), (20, 1050615), (25, 840492), (30, 700410), (36, 583675), (37, 567900), (45, 466940), (50, 420246), (60, 350205), (74, 283950), (75, 280164), (90, 233470), (100, 210123), (111, 189300), (148, 141975), (150, 140082), (180, 116735), (185, 113580), (222, 94650), (225, 93388), (300, 70041), (333, 63100), (370, 56790), (444, 47325), (450, 46694), (555, 37860), (631, 33300), (666, 31550), (740, 28395), (900, 23347), (925, 22716), (1110, 18930), (1262, 16650), (1332, 15775), (1665, 12620), (1850, 11358), (1893, 11100), (2220, 9465), (2524, 8325), (2775, 7572), (3155, 6660), (3330, 6310), (3700, 5679), (3786, 5550)]