21159630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 57603744

約数和(自身を除く): 36444114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 151, 162, 173, 270, 302, 346, 405, 453, 519, 755, 810, 865, 906, 1038, 1359, 1510, 1557, 1730, 2265, 2595, 2718, 3114, 4077, 4530, 4671, 5190, 6795, 7785, 8154, 9342, 12231, 13590, 14013, 15570, 20385, 23355, 24462, 26123, 28026, 40770, 46710, 52246, 61155, 70065, 78369, 122310, 130615, 140130, 156738, 235107, 261230, 391845, 470214, 705321, 783690, 1175535, 1410642, 2115963, 2351070, 3526605, 4231926, 7053210, 10579815, 21159630]

約数ペア:

[(1, 21159630), (2, 10579815), (3, 7053210), (5, 4231926), (6, 3526605), (9, 2351070), (10, 2115963), (15, 1410642), (18, 1175535), (27, 783690), (30, 705321), (45, 470214), (54, 391845), (81, 261230), (90, 235107), (135, 156738), (151, 140130), (162, 130615), (173, 122310), (270, 78369), (302, 70065), (346, 61155), (405, 52246), (453, 46710), (519, 40770), (755, 28026), (810, 26123), (865, 24462), (906, 23355), (1038, 20385), (1359, 15570), (1510, 14013), (1557, 13590), (1730, 12231), (2265, 9342), (2595, 8154), (2718, 7785), (3114, 6795), (4077, 5190), (4530, 4671)]