21213300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2329

約数の個数: 72

約数和(自身を含む): 63384832

約数和(自身を除く): 42171532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2281, 2325, 3100, 4562, 4650, 6843, 9124, 9300, 11405, 13686, 22810, 27372, 34215, 45620, 57025, 68430, 70711, 114050, 136860, 141422, 171075, 212133, 228100, 282844, 342150, 353555, 424266, 684300, 707110, 848532, 1060665, 1414220, 1767775, 2121330, 3535550, 4242660, 5303325, 7071100, 10606650, 21213300]

約数ペア:

[(1, 21213300), (2, 10606650), (3, 7071100), (4, 5303325), (5, 4242660), (6, 3535550), (10, 2121330), (12, 1767775), (15, 1414220), (20, 1060665), (25, 848532), (30, 707110), (31, 684300), (50, 424266), (60, 353555), (62, 342150), (75, 282844), (93, 228100), (100, 212133), (124, 171075), (150, 141422), (155, 136860), (186, 114050), (300, 70711), (310, 68430), (372, 57025), (465, 45620), (620, 34215), (775, 27372), (930, 22810), (1550, 13686), (1860, 11405), (2281, 9300), (2325, 9124), (3100, 6843), (4562, 4650)]