21333270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 41704170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 31, 35, 42, 58, 62, 70, 87, 93, 105, 113, 145, 155, 174, 186, 203, 210, 217, 226, 290, 310, 339, 406, 434, 435, 465, 565, 609, 651, 678, 791, 870, 899, 930, 1015, 1085, 1130, 1218, 1302, 1582, 1695, 1798, 2030, 2170, 2373, 2697, 3045, 3255, 3277, 3390, 3503, 3955, 4495, 4746, 5394, 6090, 6293, 6510, 6554, 7006, 7910, 8990, 9831, 10509, 11865, 12586, 13485, 16385, 17515, 18879, 19662, 21018, 22939, 23730, 24521, 26970, 31465, 32770, 35030, 37758, 45878, 49042, 49155, 52545, 62930, 68817, 73563, 94395, 98310, 101587, 105090, 114695, 122605, 137634, 147126, 188790, 203174, 229390, 245210, 304761, 344085, 367815, 507935, 609522, 688170, 711109, 735630, 1015870, 1422218, 1523805, 2133327, 3047610, 3555545, 4266654, 7111090, 10666635, 21333270]

約数ペア:

[(1, 21333270), (2, 10666635), (3, 7111090), (5, 4266654), (6, 3555545), (7, 3047610), (10, 2133327), (14, 1523805), (15, 1422218), (21, 1015870), (29, 735630), (30, 711109), (31, 688170), (35, 609522), (42, 507935), (58, 367815), (62, 344085), (70, 304761), (87, 245210), (93, 229390), (105, 203174), (113, 188790), (145, 147126), (155, 137634), (174, 122605), (186, 114695), (203, 105090), (210, 101587), (217, 98310), (226, 94395), (290, 73563), (310, 68817), (339, 62930), (406, 52545), (434, 49155), (435, 49042), (465, 45878), (565, 37758), (609, 35030), (651, 32770), (678, 31465), (791, 26970), (870, 24521), (899, 23730), (930, 22939), (1015, 21018), (1085, 19662), (1130, 18879), (1218, 17515), (1302, 16385), (1582, 13485), (1695, 12586), (1798, 11865), (2030, 10509), (2170, 9831), (2373, 8990), (2697, 7910), (3045, 7006), (3255, 6554), (3277, 6510), (3390, 6293), (3503, 6090), (3955, 5394), (4495, 4746)]