21506293160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{21059}}^1$

素因数の和:21303

約数の個数: 96

約数和(自身を含む): 53442698400

約数和(自身を除く): 31936405240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 211, 220, 242, 422, 440, 484, 605, 844, 968, 1055, 1210, 1688, 2110, 2321, 2420, 4220, 4642, 4840, 8440, 9284, 11605, 18568, 21059, 23210, 25531, 42118, 46420, 51062, 84236, 92840, 102124, 105295, 127655, 168472, 204248, 210590, 231649, 255310, 421180, 463298, 510620, 842360, 926596, 1021240, 1158245, 1853192, 2316490, 2548139, 4443449, 4632980, 5096278, 8886898, 9265960, 10192556, 12740695, 17773796, 20385112, 22217245, 25481390, 35547592, 44434490, 48877939, 50962780, 88868980, 97755878, 101925560, 177737960, 195511756, 244389695, 391023512, 488779390, 537657329, 977558780, 1075314658, 1955117560, 2150629316, 2688286645, 4301258632, 5376573290, 10753146580, 21506293160]

約数ペア:

[(1, 21506293160), (2, 10753146580), (4, 5376573290), (5, 4301258632), (8, 2688286645), (10, 2150629316), (11, 1955117560), (20, 1075314658), (22, 977558780), (40, 537657329), (44, 488779390), (55, 391023512), (88, 244389695), (110, 195511756), (121, 177737960), (211, 101925560), (220, 97755878), (242, 88868980), (422, 50962780), (440, 48877939), (484, 44434490), (605, 35547592), (844, 25481390), (968, 22217245), (1055, 20385112), (1210, 17773796), (1688, 12740695), (2110, 10192556), (2321, 9265960), (2420, 8886898), (4220, 5096278), (4642, 4632980), (4840, 4443449), (8440, 2548139), (9284, 2316490), (11605, 1853192), (18568, 1158245), (21059, 1021240), (23210, 926596), (25531, 842360), (42118, 510620), (46420, 463298), (51062, 421180), (84236, 255310), (92840, 231649), (102124, 210590), (105295, 204248), (127655, 168472)]