21511998888

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{6091}}^1$

素因数の和:6279

約数の個数: 128

約数和(自身を含む): 57266749440

約数和(自身を除く): 35754750552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 47, 62, 93, 94, 101, 124, 141, 186, 188, 202, 248, 282, 303, 372, 376, 404, 564, 606, 744, 808, 1128, 1212, 1457, 2424, 2914, 3131, 4371, 4747, 5828, 6091, 6262, 8742, 9393, 9494, 11656, 12182, 12524, 14241, 17484, 18273, 18786, 18988, 24364, 25048, 28482, 34968, 36546, 37572, 37976, 48728, 56964, 73092, 75144, 113928, 146184, 147157, 188821, 286277, 294314, 377642, 441471, 566463, 572554, 588628, 615191, 755284, 858831, 882942, 1132926, 1145108, 1177256, 1230382, 1510568, 1717662, 1765884, 1845573, 2265852, 2290216, 2460764, 3435324, 3531768, 3691146, 4531704, 4921528, 6870648, 7382292, 8874587, 14764584, 17749174, 19070921, 26623761, 28913977, 35498348, 38141842, 53247522, 57212763, 57827954, 70996696, 76283684, 86741931, 106495044, 114425526, 115655908, 152567368, 173483862, 212990088, 228851052, 231311816, 346967724, 457702104, 693935448, 896333287, 1792666574, 2688999861, 3585333148, 5377999722, 7170666296, 10755999444, 21511998888]

約数ペア:

[(1, 21511998888), (2, 10755999444), (3, 7170666296), (4, 5377999722), (6, 3585333148), (8, 2688999861), (12, 1792666574), (24, 896333287), (31, 693935448), (47, 457702104), (62, 346967724), (93, 231311816), (94, 228851052), (101, 212990088), (124, 173483862), (141, 152567368), (186, 115655908), (188, 114425526), (202, 106495044), (248, 86741931), (282, 76283684), (303, 70996696), (372, 57827954), (376, 57212763), (404, 53247522), (564, 38141842), (606, 35498348), (744, 28913977), (808, 26623761), (1128, 19070921), (1212, 17749174), (1457, 14764584), (2424, 8874587), (2914, 7382292), (3131, 6870648), (4371, 4921528), (4747, 4531704), (5828, 3691146), (6091, 3531768), (6262, 3435324), (8742, 2460764), (9393, 2290216), (9494, 2265852), (11656, 1845573), (12182, 1765884), (12524, 1717662), (14241, 1510568), (17484, 1230382), (18273, 1177256), (18786, 1145108), (18988, 1132926), (24364, 882942), (25048, 858831), (28482, 755284), (34968, 615191), (36546, 588628), (37572, 572554), (37976, 566463), (48728, 441471), (56964, 377642), (73092, 294314), (75144, 286277), (113928, 188821), (146184, 147157)]