21035790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4973}}^1$

素因数の和:5033

約数の個数: 48

約数和(自身を含む): 55867968

約数和(自身を除く): 34832178

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4973, 9946, 14919, 24865, 29838, 44757, 49730, 74595, 89514, 149190, 223785, 233731, 447570, 467462, 701193, 1168655, 1402386, 2103579, 2337310, 3505965, 4207158, 7011930, 10517895, 21035790]

約数ペア:

[(1, 21035790), (2, 10517895), (3, 7011930), (5, 4207158), (6, 3505965), (9, 2337310), (10, 2103579), (15, 1402386), (18, 1168655), (30, 701193), (45, 467462), (47, 447570), (90, 233731), (94, 223785), (141, 149190), (235, 89514), (282, 74595), (423, 49730), (470, 44757), (705, 29838), (846, 24865), (1410, 14919), (2115, 9946), (4230, 4973)]