21287214360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3478303}}^1$

素因数の和:3478337

約数の個数: 96

約数和(自身を含む): 73253082240

約数和(自身を除く): 51965867880

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, 6120, 3478303, 6956606, 10434909, 13913212, 17391515, 20869818, 27826424, 31304727, 34783030, 41739636, 52174545, 59131151, 62609454, 69566060, 83479272, 104349090, 118262302, 125218908, 139132120, 156523635, 177393453, 208698180, 236524604, 250437816, 295655755, 313047270, 354786906, 417396360, 473049208, 532180359, 591311510, 626094540, 709573812, 886967265, 1064360718, 1182623020, 1252189080, 1419147624, 1773934530, 2128721436, 2365246040, 2660901795, 3547869060, 4257442872, 5321803590, 7095738120, 10643607180, 21287214360]

約数ペア:

[(1, 21287214360), (2, 10643607180), (3, 7095738120), (4, 5321803590), (5, 4257442872), (6, 3547869060), (8, 2660901795), (9, 2365246040), (10, 2128721436), (12, 1773934530), (15, 1419147624), (17, 1252189080), (18, 1182623020), (20, 1064360718), (24, 886967265), (30, 709573812), (34, 626094540), (36, 591311510), (40, 532180359), (45, 473049208), (51, 417396360), (60, 354786906), (68, 313047270), (72, 295655755), (85, 250437816), (90, 236524604), (102, 208698180), (120, 177393453), (136, 156523635), (153, 139132120), (170, 125218908), (180, 118262302), (204, 104349090), (255, 83479272), (306, 69566060), (340, 62609454), (360, 59131151), (408, 52174545), (510, 41739636), (612, 34783030), (680, 31304727), (765, 27826424), (1020, 20869818), (1224, 17391515), (1530, 13913212), (2040, 10434909), (3060, 6956606), (6120, 3478303)]