21071700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1834

約数の個数: 108

約数和(自身を含む): 71168188

約数和(自身を除く): 50096488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1801, 1950, 2340, 2925, 3602, 3900, 5403, 5850, 7204, 9005, 10806, 11700, 16209, 18010, 21612, 23413, 27015, 32418, 36020, 45025, 46826, 54030, 64836, 70239, 81045, 90050, 93652, 108060, 117065, 135075, 140478, 162090, 180100, 210717, 234130, 270150, 280956, 324180, 351195, 405225, 421434, 468260, 540300, 585325, 702390, 810450, 842868, 1053585, 1170650, 1404780, 1620900, 1755975, 2107170, 2341300, 3511950, 4214340, 5267925, 7023900, 10535850, 21071700]

約数ペア:

[(1, 21071700), (2, 10535850), (3, 7023900), (4, 5267925), (5, 4214340), (6, 3511950), (9, 2341300), (10, 2107170), (12, 1755975), (13, 1620900), (15, 1404780), (18, 1170650), (20, 1053585), (25, 842868), (26, 810450), (30, 702390), (36, 585325), (39, 540300), (45, 468260), (50, 421434), (52, 405225), (60, 351195), (65, 324180), (75, 280956), (78, 270150), (90, 234130), (100, 210717), (117, 180100), (130, 162090), (150, 140478), (156, 135075), (180, 117065), (195, 108060), (225, 93652), (234, 90050), (260, 81045), (300, 70239), (325, 64836), (390, 54030), (450, 46826), (468, 45025), (585, 36020), (650, 32418), (780, 27015), (900, 23413), (975, 21612), (1170, 18010), (1300, 16209), (1801, 11700), (1950, 10806), (2340, 9005), (2925, 7204), (3602, 5850), (3900, 5403)]