21767850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:153

約数の個数: 108

約数和(自身を含む): 64031058

約数和(自身を除く): 42263208

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 61, 65, 75, 78, 90, 117, 122, 130, 150, 183, 195, 225, 234, 305, 325, 366, 390, 450, 549, 585, 610, 650, 793, 915, 975, 1098, 1170, 1525, 1586, 1830, 1950, 2379, 2745, 2925, 3050, 3721, 3965, 4575, 4758, 5490, 5850, 7137, 7442, 7930, 9150, 11163, 11895, 13725, 14274, 18605, 19825, 22326, 23790, 27450, 33489, 35685, 37210, 39650, 48373, 55815, 59475, 66978, 71370, 93025, 96746, 111630, 118950, 145119, 167445, 178425, 186050, 241865, 279075, 290238, 334890, 356850, 435357, 483730, 558150, 725595, 837225, 870714, 1209325, 1451190, 1674450, 2176785, 2418650, 3627975, 4353570, 7255950, 10883925, 21767850]

約数ペア:

[(1, 21767850), (2, 10883925), (3, 7255950), (5, 4353570), (6, 3627975), (9, 2418650), (10, 2176785), (13, 1674450), (15, 1451190), (18, 1209325), (25, 870714), (26, 837225), (30, 725595), (39, 558150), (45, 483730), (50, 435357), (61, 356850), (65, 334890), (75, 290238), (78, 279075), (90, 241865), (117, 186050), (122, 178425), (130, 167445), (150, 145119), (183, 118950), (195, 111630), (225, 96746), (234, 93025), (305, 71370), (325, 66978), (366, 59475), (390, 55815), (450, 48373), (549, 39650), (585, 37210), (610, 35685), (650, 33489), (793, 27450), (915, 23790), (975, 22326), (1098, 19825), (1170, 18605), (1525, 14274), (1586, 13725), (1830, 11895), (1950, 11163), (2379, 9150), (2745, 7930), (2925, 7442), (3050, 7137), (3721, 5850), (3965, 5490), (4575, 4758)]