21695300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^3\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 52100832

約数和(自身を除く): 30405532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 163, 220, 242, 275, 326, 484, 550, 605, 652, 815, 1100, 1210, 1331, 1630, 1793, 2420, 2662, 3025, 3260, 3586, 4075, 5324, 6050, 6655, 7172, 8150, 8965, 12100, 13310, 16300, 17930, 19723, 26620, 33275, 35860, 39446, 44825, 66550, 78892, 89650, 98615, 133100, 179300, 197230, 216953, 394460, 433906, 493075, 867812, 986150, 1084765, 1972300, 2169530, 4339060, 5423825, 10847650, 21695300]

約数ペア:

[(1, 21695300), (2, 10847650), (4, 5423825), (5, 4339060), (10, 2169530), (11, 1972300), (20, 1084765), (22, 986150), (25, 867812), (44, 493075), (50, 433906), (55, 394460), (100, 216953), (110, 197230), (121, 179300), (163, 133100), (220, 98615), (242, 89650), (275, 78892), (326, 66550), (484, 44825), (550, 39446), (605, 35860), (652, 33275), (815, 26620), (1100, 19723), (1210, 17930), (1331, 16300), (1630, 13310), (1793, 12100), (2420, 8965), (2662, 8150), (3025, 7172), (3260, 6655), (3586, 6050), (4075, 5324)]