21061170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 39322062

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 47, 65, 78, 90, 94, 117, 130, 141, 195, 234, 235, 282, 383, 390, 423, 470, 585, 611, 705, 766, 846, 1149, 1170, 1222, 1410, 1833, 1915, 2115, 2298, 3055, 3447, 3666, 3830, 4230, 4979, 5499, 5745, 6110, 6894, 9165, 9958, 10998, 11490, 14937, 17235, 18001, 18330, 24895, 27495, 29874, 34470, 36002, 44811, 49790, 54003, 54990, 74685, 89622, 90005, 108006, 149370, 162009, 180010, 224055, 234013, 270015, 324018, 448110, 468026, 540030, 702039, 810045, 1170065, 1404078, 1620090, 2106117, 2340130, 3510195, 4212234, 7020390, 10530585, 21061170]

約数ペア:

[(1, 21061170), (2, 10530585), (3, 7020390), (5, 4212234), (6, 3510195), (9, 2340130), (10, 2106117), (13, 1620090), (15, 1404078), (18, 1170065), (26, 810045), (30, 702039), (39, 540030), (45, 468026), (47, 448110), (65, 324018), (78, 270015), (90, 234013), (94, 224055), (117, 180010), (130, 162009), (141, 149370), (195, 108006), (234, 90005), (235, 89622), (282, 74685), (383, 54990), (390, 54003), (423, 49790), (470, 44811), (585, 36002), (611, 34470), (705, 29874), (766, 27495), (846, 24895), (1149, 18330), (1170, 18001), (1222, 17235), (1410, 14937), (1833, 11490), (1915, 10998), (2115, 9958), (2298, 9165), (3055, 6894), (3447, 6110), (3666, 5745), (3830, 5499), (4230, 4979)]