21195671910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{81331}}^1$

素因数の和:81438

約数の個数: 128

約数和(自身を含む): 62400513024

約数和(自身を除く): 41204841114

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 73, 85, 102, 105, 119, 146, 170, 210, 219, 238, 255, 357, 365, 438, 510, 511, 595, 714, 730, 1022, 1095, 1190, 1241, 1533, 1785, 2190, 2482, 2555, 3066, 3570, 3723, 5110, 6205, 7446, 7665, 8687, 12410, 15330, 17374, 18615, 26061, 37230, 43435, 52122, 81331, 86870, 130305, 162662, 243993, 260610, 406655, 487986, 569317, 813310, 1138634, 1219965, 1382627, 1707951, 2439930, 2765254, 2846585, 3415902, 4147881, 5693170, 5937163, 6913135, 8295762, 8539755, 9678389, 11874326, 13826270, 17079510, 17811489, 19356778, 20739405, 29035167, 29685815, 35622978, 41478810, 41560141, 48391945, 58070334, 59371630, 83120282, 89057445, 96783890, 100931771, 124680423, 145175835, 178114890, 201863542, 207800705, 249360846, 290351670, 302795313, 415601410, 504658855, 605590626, 623402115, 706522397, 1009317710, 1246804230, 1413044794, 1513976565, 2119567191, 3027953130, 3532611985, 4239134382, 7065223970, 10597835955, 21195671910]

約数ペア:

[(1, 21195671910), (2, 10597835955), (3, 7065223970), (5, 4239134382), (6, 3532611985), (7, 3027953130), (10, 2119567191), (14, 1513976565), (15, 1413044794), (17, 1246804230), (21, 1009317710), (30, 706522397), (34, 623402115), (35, 605590626), (42, 504658855), (51, 415601410), (70, 302795313), (73, 290351670), (85, 249360846), (102, 207800705), (105, 201863542), (119, 178114890), (146, 145175835), (170, 124680423), (210, 100931771), (219, 96783890), (238, 89057445), (255, 83120282), (357, 59371630), (365, 58070334), (438, 48391945), (510, 41560141), (511, 41478810), (595, 35622978), (714, 29685815), (730, 29035167), (1022, 20739405), (1095, 19356778), (1190, 17811489), (1241, 17079510), (1533, 13826270), (1785, 11874326), (2190, 9678389), (2482, 8539755), (2555, 8295762), (3066, 6913135), (3570, 5937163), (3723, 5693170), (5110, 4147881), (6205, 3415902), (7446, 2846585), (7665, 2765254), (8687, 2439930), (12410, 1707951), (15330, 1382627), (17374, 1219965), (18615, 1138634), (26061, 813310), (37230, 569317), (43435, 487986), (52122, 406655), (81331, 260610), (86870, 243993), (130305, 162662)]