21828690

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 63475776

約数和(自身を除く): 41647086

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 691, 702, 810, 1053, 1170, 1215, 1382, 1755, 2073, 2106, 2430, 3159, 3455, 3510, 4146, 5265, 6219, 6318, 6910, 8983, 10365, 10530, 12438, 15795, 17966, 18657, 20730, 26949, 31095, 31590, 37314, 44915, 53898, 55971, 62190, 80847, 89830, 93285, 111942, 134745, 161694, 167913, 186570, 242541, 269490, 279855, 335826, 404235, 485082, 559710, 727623, 808470, 839565, 1212705, 1455246, 1679130, 2182869, 2425410, 3638115, 4365738, 7276230, 10914345, 21828690]

約数ペア:

[(1, 21828690), (2, 10914345), (3, 7276230), (5, 4365738), (6, 3638115), (9, 2425410), (10, 2182869), (13, 1679130), (15, 1455246), (18, 1212705), (26, 839565), (27, 808470), (30, 727623), (39, 559710), (45, 485082), (54, 404235), (65, 335826), (78, 279855), (81, 269490), (90, 242541), (117, 186570), (130, 167913), (135, 161694), (162, 134745), (195, 111942), (234, 93285), (243, 89830), (270, 80847), (351, 62190), (390, 55971), (405, 53898), (486, 44915), (585, 37314), (691, 31590), (702, 31095), (810, 26949), (1053, 20730), (1170, 18657), (1215, 17966), (1382, 15795), (1755, 12438), (2073, 10530), (2106, 10365), (2430, 8983), (3159, 6910), (3455, 6318), (3510, 6219), (4146, 5265)]