21289770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2719}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 37462230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 2719, 3915, 5438, 7830, 8157, 13595, 16314, 24471, 27190, 40785, 48942, 73413, 78851, 81570, 122355, 146826, 157702, 236553, 244710, 367065, 394255, 473106, 709659, 734130, 788510, 1182765, 1419318, 2128977, 2365530, 3548295, 4257954, 7096590, 10644885, 21289770]

約数ペア:

[(1, 21289770), (2, 10644885), (3, 7096590), (5, 4257954), (6, 3548295), (9, 2365530), (10, 2128977), (15, 1419318), (18, 1182765), (27, 788510), (29, 734130), (30, 709659), (45, 473106), (54, 394255), (58, 367065), (87, 244710), (90, 236553), (135, 157702), (145, 146826), (174, 122355), (261, 81570), (270, 78851), (290, 73413), (435, 48942), (522, 40785), (783, 27190), (870, 24471), (1305, 16314), (1566, 13595), (2610, 8157), (2719, 7830), (3915, 5438)]