21000366300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1147561}}^1$

素因数の和:1147639

約数の個数: 72

約数和(自身を含む): 61757196592

約数和(自身を除く): 40756830292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1220, 1525, 1830, 3050, 3660, 4575, 6100, 9150, 18300, 1147561, 2295122, 3442683, 4590244, 5737805, 6885366, 11475610, 13770732, 17213415, 22951220, 28689025, 34426830, 57378050, 68853660, 70001221, 86067075, 114756100, 140002442, 172134150, 210003663, 280004884, 344268300, 350006105, 420007326, 700012210, 840014652, 1050018315, 1400024420, 1750030525, 2100036630, 3500061050, 4200073260, 5250091575, 7000122100, 10500183150, 21000366300]

約数ペア:

[(1, 21000366300), (2, 10500183150), (3, 7000122100), (4, 5250091575), (5, 4200073260), (6, 3500061050), (10, 2100036630), (12, 1750030525), (15, 1400024420), (20, 1050018315), (25, 840014652), (30, 700012210), (50, 420007326), (60, 350006105), (61, 344268300), (75, 280004884), (100, 210003663), (122, 172134150), (150, 140002442), (183, 114756100), (244, 86067075), (300, 70001221), (305, 68853660), (366, 57378050), (610, 34426830), (732, 28689025), (915, 22951220), (1220, 17213415), (1525, 13770732), (1830, 11475610), (3050, 6885366), (3660, 5737805), (4575, 4590244), (6100, 3442683), (9150, 2295122), (18300, 1147561)]