21926300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 53663232

約数和(自身を除く): 31736932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 643, 682, 775, 1100, 1286, 1364, 1550, 1705, 2572, 3100, 3215, 3410, 6430, 6820, 7073, 8525, 12860, 14146, 16075, 17050, 19933, 28292, 32150, 34100, 35365, 39866, 64300, 70730, 79732, 99665, 141460, 176825, 199330, 219263, 353650, 398660, 438526, 498325, 707300, 877052, 996650, 1096315, 1993300, 2192630, 4385260, 5481575, 10963150, 21926300]

約数ペア:

[(1, 21926300), (2, 10963150), (4, 5481575), (5, 4385260), (10, 2192630), (11, 1993300), (20, 1096315), (22, 996650), (25, 877052), (31, 707300), (44, 498325), (50, 438526), (55, 398660), (62, 353650), (100, 219263), (110, 199330), (124, 176825), (155, 141460), (220, 99665), (275, 79732), (310, 70730), (341, 64300), (550, 39866), (620, 35365), (643, 34100), (682, 32150), (775, 28292), (1100, 19933), (1286, 17050), (1364, 16075), (1550, 14146), (1705, 12860), (2572, 8525), (3100, 7073), (3215, 6820), (3410, 6430)]