21001050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 66156480

約数和(自身を除く): 45155430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 59, 63, 70, 75, 90, 105, 113, 118, 126, 150, 175, 177, 210, 225, 226, 295, 315, 339, 350, 354, 413, 450, 525, 531, 565, 590, 630, 678, 791, 826, 885, 1017, 1050, 1062, 1130, 1239, 1475, 1575, 1582, 1695, 1770, 2034, 2065, 2373, 2478, 2655, 2825, 2950, 3150, 3390, 3717, 3955, 4130, 4425, 4746, 5085, 5310, 5650, 6195, 6667, 7119, 7434, 7910, 8475, 8850, 10170, 10325, 11865, 12390, 13275, 13334, 14238, 16950, 18585, 19775, 20001, 20650, 23730, 25425, 26550, 30975, 33335, 35595, 37170, 39550, 40002, 46669, 50850, 59325, 60003, 61950, 66670, 71190, 92925, 93338, 100005, 118650, 120006, 140007, 166675, 177975, 185850, 200010, 233345, 280014, 300015, 333350, 355950, 420021, 466690, 500025, 600030, 700035, 840042, 1000050, 1166725, 1400070, 1500075, 2100105, 2333450, 3000150, 3500175, 4200210, 7000350, 10500525, 21001050]

約数ペア:

[(1, 21001050), (2, 10500525), (3, 7000350), (5, 4200210), (6, 3500175), (7, 3000150), (9, 2333450), (10, 2100105), (14, 1500075), (15, 1400070), (18, 1166725), (21, 1000050), (25, 840042), (30, 700035), (35, 600030), (42, 500025), (45, 466690), (50, 420021), (59, 355950), (63, 333350), (70, 300015), (75, 280014), (90, 233345), (105, 200010), (113, 185850), (118, 177975), (126, 166675), (150, 140007), (175, 120006), (177, 118650), (210, 100005), (225, 93338), (226, 92925), (295, 71190), (315, 66670), (339, 61950), (350, 60003), (354, 59325), (413, 50850), (450, 46669), (525, 40002), (531, 39550), (565, 37170), (590, 35595), (630, 33335), (678, 30975), (791, 26550), (826, 25425), (885, 23730), (1017, 20650), (1050, 20001), (1062, 19775), (1130, 18585), (1239, 16950), (1475, 14238), (1575, 13334), (1582, 13275), (1695, 12390), (1770, 11865), (2034, 10325), (2065, 10170), (2373, 8850), (2478, 8475), (2655, 7910), (2825, 7434), (2950, 7119), (3150, 6667), (3390, 6195), (3717, 5650), (3955, 5310), (4130, 5085), (4425, 4746)]