21246408

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 43265592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 31, 36, 38, 54, 57, 62, 72, 76, 93, 108, 114, 124, 152, 167, 171, 186, 216, 228, 248, 279, 334, 342, 372, 456, 501, 513, 558, 589, 668, 684, 744, 837, 1002, 1026, 1116, 1178, 1336, 1368, 1503, 1674, 1767, 2004, 2052, 2232, 2356, 3006, 3173, 3348, 3534, 4008, 4104, 4509, 4712, 5177, 5301, 6012, 6346, 6696, 7068, 9018, 9519, 10354, 10602, 12024, 12692, 14136, 15531, 15903, 18036, 19038, 20708, 21204, 25384, 28557, 31062, 31806, 36072, 38076, 41416, 42408, 46593, 57114, 62124, 63612, 76152, 85671, 93186, 98363, 114228, 124248, 127224, 139779, 171342, 186372, 196726, 228456, 279558, 295089, 342684, 372744, 393452, 559116, 590178, 685368, 786904, 885267, 1118232, 1180356, 1770534, 2360712, 2655801, 3541068, 5311602, 7082136, 10623204, 21246408]

約数ペア:

[(1, 21246408), (2, 10623204), (3, 7082136), (4, 5311602), (6, 3541068), (8, 2655801), (9, 2360712), (12, 1770534), (18, 1180356), (19, 1118232), (24, 885267), (27, 786904), (31, 685368), (36, 590178), (38, 559116), (54, 393452), (57, 372744), (62, 342684), (72, 295089), (76, 279558), (93, 228456), (108, 196726), (114, 186372), (124, 171342), (152, 139779), (167, 127224), (171, 124248), (186, 114228), (216, 98363), (228, 93186), (248, 85671), (279, 76152), (334, 63612), (342, 62124), (372, 57114), (456, 46593), (501, 42408), (513, 41416), (558, 38076), (589, 36072), (668, 31806), (684, 31062), (744, 28557), (837, 25384), (1002, 21204), (1026, 20708), (1116, 19038), (1178, 18036), (1336, 15903), (1368, 15531), (1503, 14136), (1674, 12692), (1767, 12024), (2004, 10602), (2052, 10354), (2232, 9519), (2356, 9018), (3006, 7068), (3173, 6696), (3348, 6346), (3534, 6012), (4008, 5301), (4104, 5177), (4509, 4712)]