21854520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3571}}^1$

素因数の和:3605

約数の個数: 96

約数和(自身を含む): 75226320

約数和(自身を除く): 53371800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3571, 6120, 7142, 10713, 14284, 17855, 21426, 28568, 32139, 35710, 42852, 53565, 60707, 64278, 71420, 85704, 107130, 121414, 128556, 142840, 160695, 182121, 214260, 242828, 257112, 303535, 321390, 364242, 428520, 485656, 546363, 607070, 642780, 728484, 910605, 1092726, 1214140, 1285560, 1456968, 1821210, 2185452, 2428280, 2731815, 3642420, 4370904, 5463630, 7284840, 10927260, 21854520]

約数ペア:

[(1, 21854520), (2, 10927260), (3, 7284840), (4, 5463630), (5, 4370904), (6, 3642420), (8, 2731815), (9, 2428280), (10, 2185452), (12, 1821210), (15, 1456968), (17, 1285560), (18, 1214140), (20, 1092726), (24, 910605), (30, 728484), (34, 642780), (36, 607070), (40, 546363), (45, 485656), (51, 428520), (60, 364242), (68, 321390), (72, 303535), (85, 257112), (90, 242828), (102, 214260), (120, 182121), (136, 160695), (153, 142840), (170, 128556), (180, 121414), (204, 107130), (255, 85704), (306, 71420), (340, 64278), (360, 60707), (408, 53565), (510, 42852), (612, 35710), (680, 32139), (765, 28568), (1020, 21426), (1224, 17855), (1530, 14284), (2040, 10713), (3060, 7142), (3571, 6120)]